My Oracle Support Banner

HTTP Port Conflict when Starting the Integrated WebLogic Server Instance: " Unable to obtain lock on ... Server may already be running" (Doc ID 1080922.1)

Last updated on FEBRUARY 25, 2021

Applies to:

Oracle JDeveloper - Version to
Information in this document applies to any platform.
***Checked for relevance on 17-Feb-2012***


When starting an application on JDeveloper 11g error messages like the following ones are displayed and the application cannot be run:

Also, a window like the following can be displayed:




To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.